| Index: silk/arm/SigProc_FIX_armv5e.h
|
| diff --git a/silk/float/scale_vector_FLP.c b/silk/arm/SigProc_FIX_armv5e.h
|
| similarity index 69%
|
| copy from silk/float/scale_vector_FLP.c
|
| copy to silk/arm/SigProc_FIX_armv5e.h
|
| index 387eb4ba53fc6a2a22b085bf4abfd5ad7ca7170e..81a6324f652022312aa5e21cedbf36669116b09d 100644
|
| --- a/silk/float/scale_vector_FLP.c
|
| +++ b/silk/arm/SigProc_FIX_armv5e.h
|
| @@ -1,5 +1,6 @@
|
| /***********************************************************************
|
| Copyright (c) 2006-2011, Skype Limited. All rights reserved.
|
| +Copyright (c) 2013 Parrot
|
| Redistribution and use in source and binary forms, with or without
|
| modification, are permitted provided that the following conditions
|
| are met:
|
| @@ -8,11 +9,11 @@ this list of conditions and the following disclaimer.
|
| - Redistributions in binary form must reproduce the above copyright
|
| notice, this list of conditions and the following disclaimer in the
|
| documentation and/or other materials provided with the distribution.
|
| -- Neither the name of Internet Society, IETF or IETF Trust, nor the
|
| +- Neither the name of Internet Society, IETF or IETF Trust, nor the
|
| names of specific contributors, may be used to endorse or promote
|
| products derived from this software without specific prior written
|
| permission.
|
| -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS”
|
| +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
| ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
| @@ -25,32 +26,36 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
| POSSIBILITY OF SUCH DAMAGE.
|
| ***********************************************************************/
|
|
|
| -#ifdef HAVE_CONFIG_H
|
| -#include "config.h"
|
| -#endif
|
| -
|
| -#include "SigProc_FLP.h"
|
| +#ifndef SILK_SIGPROC_FIX_ARMv5E_H
|
| +#define SILK_SIGPROC_FIX_ARMv5E_H
|
|
|
| -/* multiply a vector by a constant */
|
| -void silk_scale_vector_FLP(
|
| - silk_float *data1,
|
| - silk_float gain,
|
| - opus_int dataSize
|
| -)
|
| +#undef silk_SMULTT
|
| +static inline opus_int32 silk_SMULTT_armv5e(opus_int32 a, opus_int32 b)
|
| {
|
| - opus_int i, dataSize4;
|
| -
|
| - /* 4x unrolled loop */
|
| - dataSize4 = dataSize & 0xFFFC;
|
| - for( i = 0; i < dataSize4; i += 4 ) {
|
| - data1[ i + 0 ] *= gain;
|
| - data1[ i + 1 ] *= gain;
|
| - data1[ i + 2 ] *= gain;
|
| - data1[ i + 3 ] *= gain;
|
| - }
|
| + opus_int32 res;
|
| + __asm__(
|
| + "#silk_SMULTT\n\t"
|
| + "smultt %0, %1, %2\n\t"
|
| + : "=r"(res)
|
| + : "%r"(a), "r"(b)
|
| + );
|
| + return res;
|
| +}
|
| +#define silk_SMULTT(a, b) (silk_SMULTT_armv5e(a, b))
|
|
|
| - /* any remaining elements */
|
| - for( ; i < dataSize; i++ ) {
|
| - data1[ i ] *= gain;
|
| - }
|
| +#undef silk_SMLATT
|
| +static inline opus_int32 silk_SMLATT_armv5e(opus_int32 a, opus_int32 b,
|
| + opus_int32 c)
|
| +{
|
| + opus_int32 res;
|
| + __asm__(
|
| + "#silk_SMLATT\n\t"
|
| + "smlatt %0, %1, %2, %3\n\t"
|
| + : "=r"(res)
|
| + : "%r"(b), "r"(c), "r"(a)
|
| + );
|
| + return res;
|
| }
|
| +#define silk_SMLATT(a, b, c) (silk_SMLATT_armv5e(a, b, c))
|
| +
|
| +#endif
|
|
|